Home / 13,245.96-18,279.66-7,277.88

Finding the Fourth Proportional to 13,245.96, 18,279.66 and 7,277.88

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Solution

The fourth proportional to 13,245.96, 18,279.66 and 7,277.88 is: 10,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.96 : 18,279.66 = 7,277.88 : x
  2. Step 2: Convert to fraction form
    13,245.96/18,279.66 = 7,277.88/x
  3. Step 3: Cross multiply
    13,245.96x = 18,279.66 × 7,277.88
  4. Step 4: Simplify right side
    13,245.96x = 133,037,226.82
  5. Step 5: Solve for x
    x = 133,037,226.82/13,245.96
  6. Step 6: Final answer
    x = 10,043.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.